Chapter 1 Flashcards
(25 cards)
What are the 4 primary tissues?
Epithelium
Connective
Muscular
Nervous
What are the two subdivisions of anatomy?
Gross anatomy
Microscopic anatomy
How do cells communicate ?
By using specifically shaped molecules called chemical messengers (hormones and neurotransmitters)
What is chemical level
Consists of atoms(the building blocks of matter)
Atoms combine together to form molecules
What is cellular level ?
Cells are the smallest living units
Cells vary in size and function
What is tissue level
Group of similar cells and have a common function
The four basic tissues in the body .
What is organ level
Group of two or more tissues working together
What is organ system level
Group of organs working together
What is organisms level
Sum of all levels working together to maintain life
What does intra and inter mean
Intra-inside
Inter-outside
What do organ systems do
Work cooperatively to maintain life
What is ECF
Extra cellular fluid
What is ICF
Intra cellular fluid
What is IF
Interstitial fluid
What makes up the ECF
IF and blood plasma
What is homeostasis
The maintenance of a relatively stable internal environment.
What are the components of homeostasis
Receptor
Control center
Effector
What are four factors that must be continuously monitored and regulated by your body
Blood volume
Blood pressure
Body temperature
Heart rate
What is the significance of afferent and efferent pathways
They are the nervous system and endocrine system
What structures comprise the urinary system
Kidneys and blatter
What is the purpose of the urinary system
Filter blood and remove waste
what organ system carries out the function of the efferent pathway
endocrine system
what organ system carries out the function of afferent pathways
nervous system
